为什么有的宾语从句引导词只能用that
3个回答

宾语从句通常有两种,1)动词+宾语从句;2)形容词+宾语从句

一般来说,第二类宾语从句连词基本为that,如:be sure that...

学习第一类宾语从句时,通常老师都会让学生练习直接引语变间接引语.当直接引语是陈述句时,间接引语的连词为that.

例如:

直接引语:Tom said," I will read it."

间接引语:Tom said that he would read it.